<!doctype html>
<html ng-app>
<head>
  <title>Simple App</title>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.6/angular.js"></script>
</head>
<body>
  <input ng-model="name" type="text" placeholder="Your name">
  <h1>Hello {{ name }}</h1>
</body>
</html>